Re: [PATCH 1/5] zram: remove the call to page_endio in the bio end_io handler

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On Thu, Mar 30, 2023 at 03:51:54PM -0700, Minchan Kim wrote:
> > to remove the call to page_endio() function that unlocks or marks
> > writeback end on the page.
> > 
> > Rename the endio handler from zram_page_end_io to zram_read_end_io as
> > the call to page_endio() is removed and to associate the callback to the
> > operation it is used in.
> 
> Since zram removed the rw_page and IO comes with bio from now on,
> IIUC, we are fine since every IO will go with chained-IO. Right?

writeback_store callszram_bvec_read with a NULL bio, that is it just
fires off an async read without any synchronization.




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